[gtk-demo] images.py: fix 'Insensitive 'button mnenomic
[gtk-demo] images.py: fix 'Insensitive 'button mnenomic

choeger/pygobject-cmake,jdahlin/pygobject,thiblahute/pygobject,davibe/pygobject,GNOME/pygobject,MathieuDuponchelle/pygobject,choeger/pygobject-cmake,davidmalcolm/pygobject,davibe/pygobject,thiblahute/pygobject,pexip/pygobject,MathieuDuponchelle/pygobject,davidmalcolm/pygobject,GNOME/pygobject,davibe/pygobject,MathieuDuponchelle/pygobject,davidmalcolm/pygobject,davibe/pygobject,thiblahute/pygobject,pexip/pygobject,GNOME/pygobject,jdahlin/pygobject,sfeltman/pygobject,choeger/pygobject-cmake,pexip/pygobject,sfeltman/pygobject,sfeltman/pygobject,jdahlin/pygobject